Minecraft version(s)

1.16.5

Minecraft version details

No response

Mod loader

Forge

Mod loader version

1.16.5

Fabric API version

No response

In what environment did the problem occur?

My singleplayer world

What went wrong? (Crash logs don't go here)

so basically when i try to type /scale, it says unknown or incomplete command

Full list of installed mods

abnormal's core, appleskin, autoreglib, cavebiomeapi, caves and cliffs backport, construction wand, core ascension, create, enhanced mushrooms, environmental, flywheel. hwyla, immersive portals, jei, nonetherfog, offline skins, optifine, pehkui, quark, selene, supplementaries, total darkness, worldedit and xaero's minimap

Did the problem cause the game to crash?

No.

Full crash report contents (if you experienced a crash)

i didn't experience a crash

Fixed in 25f3c57
You might also need to go to the Pehkui config and set enableCommands to true.